/// <summary>
/// Creates a Link_Detected.Indication message
/// </summary>
/// <param name="srcID">The local node ID</param>
/// <param name="dstID">The destination MIHF ID</param>
/// <param name="BSSID">The link's BSSID (the MAC of the access point).</param>
/// <param name="SSID">The link's SSID.</param>
/// <param name="linkQuality">The link quality for the specified link.</param>
/// <param name="rssi">The RSSI (Received Signal Strength Indication) for this link.</param>
/// <param name="maxRate">The max transfer rate on this connection.</param>
/// <returns>A fully encoded, ready to be sent Message representing a LinkDetected indication</returns>
public static Message Link_Detected_Indication_MsgBuilder(ID srcID, ID dstID, byte[] BSSID, byte[] SSID, uint linkQuality, int rssi, int maxRate)
{
Message m = new Message();
m.MIHHeader = new MIHHeader();
m.MIHHeader.MID = new MessageID(MessageID.ServiceIdentifier.EVENT_SERVICE, MessageID.OperationCode.INDICATION, 1);
m.MIHHeader.VersionValue = 1;
//byte[] hessid = new byte[entry.dot11Bssid.Length + 1];
string hessid = Utilities.PhysicalAddressToString(new PhysicalAddress(BSSID));
//hessid[0] = BitConverter.GetBytes(entry.dot11Bssid.Length)[0];
//for (int i = 0; i < entry.dot11Bssid.Length; i++)
// hessid[1 + i] = entry.dot11Bssid[i];
Link_Det_Info linkDetInfo = new Link_Det_Info(
new Link_Tuple_Id(
new Link_Id(Link_Type.Wireless_IEEE80211, new Link_Addr(Link_Addr.Address_Type.OTHER_L2_ADDR,
new string(Encoding.ASCII.GetChars(SSID)))),
new Link_Addr(Link_Addr.Address_Type.MAC_ADDR,
Utilities.PhysicalAddressToString(new PhysicalAddress(BSSID)))),
new OctetString(new String(Encoding.ASCII.GetChars(SSID))),
new OctetString(hessid),
linkQuality,
rssi,
0,
(int)((double)(maxRate) * 8) / 1024,
new Link_MIHCap_Flag(true, true, true),
new Net_Caps(false, false, false, false, false, false, false, true, false, true));
m.Payload = new Payload(srcID, dstID, Serialization.SerializeToTLV(TLV_VALUES.TLV_LINK_DET_INFO, linkDetInfo.ByteVal));
m.MIHHeader.PayloadLength = (ushort)m.Payload.PayloadValue.Length;
return m;
}
/// <summary>
/// This method is called to handle a message containing a Link_Capability_Discover, returning to the MIHF the appropriate response.
/// </summary>
/// <param name="m">The received Link_Capability_Discover message object</param>
public static void HandleCapabilityDiscover(Message m)
{
Payload.TLVIterator it = m.Payload.GetTLVIterator();
ID srcID = new ID(new OctetString(it.Next().Value));
ID dstID = new ID(new OctetString(it.Next().Value));
Program.toMihf.Send(ResponseBuilders.Link_Capability_Discover_Response_Builder(dstID,srcID, STATUS.SUCCESS,
Capabilities.CapabilitiesHandler.SupportedEventList,
Capabilities.CapabilitiesHandler.SupportedCommandsList).ByteValue);
}
/// <summary>
/// This method is called to handle a message containing a Link_Action_Request, and sets it to be called on a timer according to the delay parameter
/// </summary>
/// <param name="m">The Link_Action_Request message object</param>
public static void HandleCommandLinkActions(Message m)
{
Payload.TLVIterator it = m.Payload.GetTLVIterator();
it.Next();//srcID
it.Next();//dstID
it.Next();//eventlist
int delay = MIHDeserializer.DeserializeTimeInterval(it.Next());
Timer t = new Timer(LinkActionCallback, m, delay, Timeout.Infinite);
}
/// <summary>
/// This method is called to handle a Threshold configuration request message
/// </summary>
/// <param name="m">The serialized Config_Thresholds message</param>
public static void HandleConfigThresholds(Message m)
{
ConnectionHelper ch = Program.toMihf;
ushort transactionID = m.MIHHeader.TransactionID;
Payload.TLVIterator it = m.Payload.GetTLVIterator();
ID srcID = new ID(new OctetString(it.Next().Value));
ID dstID = new ID(new OctetString(it.Next().Value));
List<Link_Cfg_Param> lcparams = MIHDeserializer.DeserializeLinkCfgParamList(it.Next());
List<Link_Cfg_Status> lcstatus = new List<Link_Cfg_Status>();
foreach (Link_Cfg_Param param in lcparams)
{
if (param.Timer_Interval > 0 && param.Th_Action != TH_Action.CANCEL_THRESHOLD)
{
Reports.TimedReports.Add(new TimedReport(param.Link_Param_Type.AbsoluteType, param.Timer_Interval));
}
switch (param.Th_Action)
{
case TH_Action.ONE_SHOT_THRESHOLD:
foreach (Threshold t in param.ThresholdList)
{
try
{
Reports.OneShotThresholds.Add(new ActiveThreshold(t, param.Link_Param_Type.AbsoluteType));
lcstatus.Add(new Link_Cfg_Status(param.Link_Param_Type, t, true));
}
catch (Exception e)
{ lcstatus.Add(new Link_Cfg_Status(param.Link_Param_Type, t, false)); }
}
break;
case TH_Action.NORMAL_THRESHOLD:
foreach (Threshold t in param.ThresholdList)
{
try
{
Reports.ActiveThresholds.Add(new ActiveThreshold(t, param.Link_Param_Type.AbsoluteType));
lcstatus.Add(new Link_Cfg_Status(param.Link_Param_Type, t, true));
}
catch (Exception e)
{ lcstatus.Add(new Link_Cfg_Status(param.Link_Param_Type, t, false)); }
}
break;
case TH_Action.CANCEL_THRESHOLD:
Reports.Cancel(param); //TODO MORE
break;
}
}
ch.Send(ResponseBuilders.Configure_Thresholds_Response_Builder(dstID, srcID, m.MIHHeader.TransactionID,
new Link_Configure_Thresholds_Confirm(STATUS.SUCCESS,lcstatus)).ByteValue);
}
/// <summary>
/// Generates an MIH Message based on a Link_Configure_Thresholds_Confirm_Confirm object.
/// </summary>
/// <param name="srcID">The source MIH ID.</param>
/// <param name="dstID">The destination MIH ID</param>
/// <param name="tid">The transaction ID, use the same as the request message.</param>
/// <param name="lctconfirm">The Link_Configure_Thresholds_Confirm object to be the content of the message.</param>
/// <returns>The MIH message to be sent to the MIHF.</returns>
public static Message Configure_Thresholds_Response_Builder(ID srcID, ID dstID, ushort tid, Link_Configure_Thresholds_Confirm lctconfirm)
{
Message m = new Message();
m.MIHHeader = new MIHHeader();
MessageID mID = new MessageID(MessageID.ServiceIdentifier.COMMAND_SERVICE, MessageID.OperationCode.CONFIRM, (ushort)AIDCommandService.MIH_LINK_CONFIGURE_THRESHOLDS);
m.MIHHeader.MID = mID;
m.MIHHeader.TransactionID = tid;
m.MIHHeader.VersionValue = 1;
byte[] st = new byte[1];
st[0] = BitConverter.GetBytes((int)lctconfirm.Status)[0];
m.Payload = new Payload(srcID, dstID,
Serialization.SerializeToTLV(TLV_VALUES.TLV_STATUS, st),
Serialization.SerializeToTLV(TLV_VALUES.TLV_CONFIGURE_RESPONSE_LIST, Serialization.EncodingList(lctconfirm.cfgStatusAsByteArrayList().ToArray())));
m.MIHHeader.PayloadLength = (ushort)m.Payload.PayloadValue.Length;
return m;
}
/// <summary>
/// This method is called to handle an unsubscribe request message
/// </summary>
/// <param name="m">The serialized unsubscribe request message</param>
public static void HandleUnsubscribe(Message m)
{
ConnectionHelper ch = Program.toMihf;
ushort transactionID = m.MIHHeader.TransactionID;
Payload.TLVIterator it = m.Payload.GetTLVIterator();
ID srcID = new ID(new OctetString(it.Next().Value));
ID dstID = new ID(new OctetString(it.Next().Value));
Link_Event_Unsubscribe_Request leur = new Link_Event_Unsubscribe_Request(MIHDeserializer.DeserializeLinkEventList(it.Next()));
Subscriptions.Unsubscribe(leur.EventList);
Link_Event_Unsubscribe_Confirm leuc = new Link_Event_Unsubscribe_Confirm(STATUS.SUCCESS, leur.EventList);
ch.Send(ResponseBuilders.Event_Unsubscribe_Response_Builder(dstID, srcID, m.MIHHeader.TransactionID, leuc).ByteValue);
}
/// <summary>
/// This method processes a message and calls the appropriate method to act on it.
/// </summary>
/// <param name="m">The received message.</param>
public static void HandleMessage(Message m)
{
switch (m.MIHHeader.MID.AID)
{
case AIDGlobal.SERVICE_MANAGEMENT_MIH_CAPABILITY_DISCOVER:
HandleCapabilityDiscover(m);
break;
case AIDGlobal.COMMAND_SERVICE_MIH_LINK_ACTIONS:
HandleCommandLinkActions(m);
break;
case AIDGlobal.SERVICE_MANAGEMENT_MIH_EVENT_SUBSCRIBE:
HandleSubscribe(m);
break;
case AIDGlobal.SERVICE_MANAGEMENT_MIH_EVENT_UNSUBSCRIBE:
HandleUnsubscribe(m);
break;
case AIDGlobal.COMMAND_SERVICE_MIH_LINK_CONFIGURE_THRESHOLDS:
HandleConfigThresholds(m);
break;
case AIDGlobal.COMMAND_SERVICE_MIH_LINK_GET_PARAMETERS:
HandleGetParameters(m);
break;
}
}
/// <summary>
/// This method is called to handle a Get_Parameters request
/// </summary>
/// <param name="m">The serialized Get_Parameters_Request message.</param>
public static void HandleGetParameters(Message m)
{
ConnectionHelper ch = Program.toMihf;
ushort transactionID = m.MIHHeader.TransactionID;
Payload.TLVIterator it = m.Payload.GetTLVIterator();
ID srcID = new ID(new OctetString(it.Next().Value));
ID dstID = new ID(new OctetString(it.Next().Value));
Link_Get_Parameters_Request lgpr = new Link_Get_Parameters_Request(MIHDeserializer.DeserializeLinkParamRequest(it.Next()),
new System.Collections.BitArray(it.Next().Value.Reverse().ToArray()),
new System.Collections.BitArray(it.Next().Value.Reverse().ToArray()));
Link_Get_Parameters_Confirm lgpc = new Link_Get_Parameters_Confirm();
try
{
lgpc.LinkParametersStatusList = new List<Link_Param>(lgpr.LinkParametersRequest.Count);
lgpc.LinkStatesRspList = new List<Link_Get_Parameters_Confirm.Link_States_Rsp>();
lgpc.LinkDescRspList = new List<Link_Get_Parameters_Confirm.Link_Desc_Rsp>();
foreach (Link_Param_Type lpt in lgpr.LinkParametersRequest)
{
switch (lpt.AbsoluteType)
{
case Link_Param_Abs_Type.P80211_RSSI: lgpc.LinkParametersStatusList.Add(new Link_Param(lpt, Link_Param_802_11.GetRSSI_0)); break;
case Link_Param_Abs_Type.GEN_Data_Rate: lgpc.LinkParametersStatusList.Add(new Link_Param(lpt, Link_Param_Gen.DataRate_0)); break;
case Link_Param_Abs_Type.GEN_Sig_Strenth: lgpc.LinkParametersStatusList.Add(new Link_Param(lpt, Link_Param_Gen.SignalStrength_1)); break;
case Link_Param_Abs_Type.GEN_Packet_Error_Rate: lgpc.LinkParametersStatusList.Add(new Link_Param(lpt, Link_Param_Gen.PacketErrorRate_4)); break;
}
}
//-------LinkStates
if (lgpr.LinkStatesRequest[0]) //OP_MODE
lgpc.LinkStatesRspList.Add(new Link_Get_Parameters_Confirm.Link_States_Rsp(Link_Get_Parameters_Confirm.Link_States_Rsp.Type.OP_MODE, (ushort)GenericInfo.WlanInterfaceInstance.OP_Mode_802_21));
if (lgpr.LinkStatesRequest[1])
lgpc.LinkStatesRspList.Add(new Link_Get_Parameters_Confirm.Link_States_Rsp(Link_Get_Parameters_Confirm.Link_States_Rsp.Type.CHANNEL_ID, (ushort)GenericInfo.WlanInterfaceInstance.Channel));
//-----------
//-------LinkDesc
if (lgpr.LinkDescriptorsRequest[0])
lgpc.LinkDescRspList.Add(new Link_Get_Parameters_Confirm.Link_Desc_Rsp(Link_Get_Parameters_Confirm.Link_Desc_Rsp.Type.NUM_CoS, 0)); //TODO (not supported)
if (lgpr.LinkDescriptorsRequest[1])
lgpc.LinkDescRspList.Add(new Link_Get_Parameters_Confirm.Link_Desc_Rsp(Link_Get_Parameters_Confirm.Link_Desc_Rsp.Type.NUM_QUEUE, 1)); //TODO (not supported)
//-----------
lgpc.Status = STATUS.SUCCESS;
}
catch (Exception e) { lgpc.Status = STATUS.UNSPECIFIED_FAILURE;}
Message toSend = ResponseBuilders.Get_Parameters_Response_Builder(dstID, srcID, m.MIHHeader.TransactionID, lgpc);
if (Program.MESSAGE_DETAILS)
{
Console.WriteLine("Sending message: ("+m.MIHHeader.MID.AID+")");
Connection.MIHProtocol.PacketReader.PrintMessage(toSend);
}
ch.Send(toSend.ByteValue);
}
/// <summary>
/// Generates an MIH Message based on a Link_Event_Subscribe_Confirm object.
/// </summary>
/// <param name="srcID">The source MIH ID.</param>
/// <param name="dstID">The destination MIH ID</param>
/// <param name="tid">The transaction ID, use the same as the request message.</param>
/// <param name="leconfirm">The Link_Event_Subscribe_Confirm object to be the content of the message.</param>
/// <returns>The MIH message to be sent to the MIHF.</returns>
public static Message Event_Subscribe_Response_Builder(ID srcID, ID dstID, ushort tid, Link_Event_Subscribe_Confirm leconfirm)
{
Message m = new Message();
m.MIHHeader = new MIHHeader();
MessageID mID = new MessageID(MessageID.ServiceIdentifier.SERVICE_MANAGEMENT, MessageID.OperationCode.CONFIRM, (ushort)AIDServiceManagement.MIH_EVENT_SUBSCRIBE);
m.MIHHeader.MID = mID;
m.MIHHeader.TransactionID = tid;
m.MIHHeader.VersionValue = 1;
byte[] status = new byte[1];
status[0]= BitConverter.GetBytes((int)leconfirm.Status)[0];
m.Payload = new Payload(srcID, dstID,
Serialization.SerializeToTLV(TLV_VALUES.TLV_STATUS, status),
Serialization.SerializeToTLV(TLV_VALUES.TLV_LINK_EVENT_LIST, leconfirm.LinkEventList.ByteValue));
m.MIHHeader.PayloadLength = (ushort)m.Payload.PayloadValue.Length;
return m;
}
/// <summary>
/// Generates an 802.21-encoded message representing a LinkDown Event.
/// </summary>
/// <param name="srcID">The local node ID</param>
/// <param name="dstID">The destination MIHF ID</param>
/// <param name="imsi">The IMSI (International Mobile Subscriber Identity) for this network</param>
/// <param name="PoAMac">The Physical Address for the Point of Access</param>
/// <param name="reason">The reason for the disconnect</param>
/// <returns>A fully encoded, ready to be sent Message representing a LinkDown</returns>
public static Message Link_Down_Indication_3G_MsgBuilder(ID srcID, ID dstID, String imsi, PhysicalAddress PoAMac, Link_Dn_Reason reason)
{
Message m = new Message();
m.MIHHeader = new MIHHeader();
m.MIHHeader.MID = new MessageID(MessageID.ServiceIdentifier.EVENT_SERVICE, MessageID.OperationCode.INDICATION, 3);
m.MIHHeader.VersionValue = 1;
Link_Tuple_Id linkIdentifier = new Link_Tuple_Id(
new Link_Id(Link_Type.Wireless_UMTS, new Link_Addr(Link_Addr.Address_Type._3GPP_ADDR, imsi)),
new Link_Addr(Link_Addr.Address_Type.MAC_ADDR, Utilities.PhysicalAddressToString(PoAMac)));
Link_Dn_Reason downReason = reason;
m.Payload = new Payload(srcID, dstID,
TLV_HELPERS.TLVLinkIdentifier(linkIdentifier), TLV_HELPERS.TLVLinkDnReason(downReason));
m.MIHHeader.PayloadLength = (ushort)m.Payload.PayloadValue.Length;
return m;
}
public static Message Link_Capability_Discover_Response_Builder(ID srcID, ID dstID, STATUS st, Link_Event_List lel, Link_CMD_List lcl)
{
Message m = new Message();
m.MIHHeader = new MIHHeader();
m.MIHHeader.MID = new MessageID(MessageID.ServiceIdentifier.SERVICE_MANAGEMENT, MessageID.OperationCode.CONFIRM, 1);
m.MIHHeader.VersionValue = 1;
//Link_Capability_Discover_Confirm lcdc = new Link_Capability_Discover_Confirm(STATUS.SUCCESS, lcl, lel);
m.Payload = new Payload(srcID, dstID,
Serialization.Sequence(
Serialization.SerializeToTLV(TLV_VALUES.TLV_STATUS, BitConverter.GetBytes((int)st).Take(1).ToArray()),
Serialization.SerializeToTLV(TLV_VALUES.TLV_LINK_EVENT_LIST, lel.ByteValue),
Serialization.SerializeToTLV(TLV_VALUES.TLV_LINK_COMMAND_LIST, lcl.ByteValue)));
m.MIHHeader.PayloadLength = (ushort)m.Payload.PayloadValue.Length;
return m;
}
/// <summary>
/// Generates an MIH Message based on a Link_Action_Response object.
/// </summary>
/// <param name="srcID">The source MIH ID.</param>
/// <param name="dstID">The destination MIH ID</param>
/// <param name="tid">The transaction ID, use the same as the request message.</param>
/// <param name="laresp">The Link_Action_Response object to be the content of the message.</param>
/// <returns>The MIH message to be sent to the MIHF.</returns>
public static Message Link_Action_Response_Builder(ID srcID, ID dstID, ushort tid, Link_Action_Response laresp)
{
Message m = new Message();
m.MIHHeader = new MIHHeader();
MessageID mID = new MessageID(MessageID.ServiceIdentifier.COMMAND_SERVICE, MessageID.OperationCode.CONFIRM, (ushort)AIDCommandService.MIH_LINK_ACTIONS);
m.MIHHeader.MID = mID;
m.MIHHeader.TransactionID = tid;
m.MIHHeader.VersionValue = 1;
if (laresp.ScanResults.Count > 0)
m.Payload = new Payload(dstID,
srcID,
Serialization.SerializeToTLV(TLV_VALUES.TLV_STATUS, BitConverter.GetBytes((int)laresp.Status).Take(1).ToArray()),
Serialization.SerializeToTLV(TLV_VALUES.TLV_LINK_SCAN_RSP_LIST, Serialization.EncodingList(laresp.scanResultsAsByteArrayList().ToArray())),
Serialization.SerializeToTLV(TLV_VALUES.TLV_LINK_AC_RESULT, BitConverter.GetBytes((int)laresp.Result).Take(1).ToArray()));
else
m.Payload = new Payload(dstID,
srcID,
Serialization.SerializeToTLV(TLV_VALUES.TLV_STATUS, BitConverter.GetBytes((int)laresp.Status).Take(1).ToArray()),
Serialization.SerializeToTLV(TLV_VALUES.TLV_LINK_AC_RESULT, BitConverter.GetBytes((int)laresp.Result).Take(1).ToArray()));
m.MIHHeader.PayloadLength = (ushort)m.Payload.PayloadValue.Length;
return m;
}
/// <summary>
/// Generates an MIH Message based on a Link_Get_Parameters_Confirm object.
/// </summary>
/// <param name="srcID">The source MIH ID.</param>
/// <param name="dstID">The destination MIH ID</param>
/// <param name="tid">The transaction ID, use the same as the request message.</param>
/// <param name="lgpconfirm">The Link_Event_SubscribeConfirm object to be the content of the message.</param>
/// <returns>The MIH message to be sent to the MIHF.</returns>
public static Message Get_Parameters_Response_Builder(ID srcID, ID dstID, ushort tid, Link_Get_Parameters_Confirm lgpconfirm)
{
Message m = new Message();
m.MIHHeader = new MIHHeader();
MessageID mID = new MessageID(MessageID.ServiceIdentifier.COMMAND_SERVICE, MessageID.OperationCode.CONFIRM, (ushort)AIDCommandService.MIH_LINK_GET_PARAMETERS);
m.MIHHeader.MID = mID;
m.MIHHeader.TransactionID = tid;
m.MIHHeader.VersionValue = 1;
byte[] st = new byte[1];
st[0] = BitConverter.GetBytes((int)lgpconfirm.Status)[0];
m.Payload = new Payload(srcID, dstID,
Serialization.SerializeToTLV(TLV_VALUES.TLV_STATUS, st),
Serialization.SerializeToTLV(TLV_VALUES.TLV_LINK_PARAMETERS_STATUS_LIST, Serialization.EncodingList(lgpconfirm.LinkParamListAsByteArray())),
Serialization.SerializeToTLV(TLV_VALUES.TLV_LINK_STATES_RSP, Serialization.EncodingList(lgpconfirm.LinkStatesListAsByteArray())),
Serialization.SerializeToTLV(TLV_VALUES.TLV_LINK_DESCRIPTOR_RSP, Serialization.EncodingList(lgpconfirm.LinkDescListAsByteArray())));
m.MIHHeader.PayloadLength = (ushort)m.Payload.PayloadValue.Length;
return m;
}
/// <summary>
/// Prints a serialized message.
/// </summary>
/// <param name="m">The serialized message to print.</param>
public static void PrintMessage(Message m)
{
Payload.TLVIterator it = m.Payload.GetTLVIterator();
Console.Write("\t(");
Console.Write(new ID(new OctetString(it.Next().Value)));
Console.Write(" -> "+ new ID(new OctetString(it.Next().Value)));
Console.Write(")");
Console.WriteLine();
switch (m.MIHHeader.MID.AID)
{
case AIDGlobal.COMMAND_SERVICE_MIH_LINK_ACTIONS:
if (m.MIHHeader.MID.OpCode == MessageID.OperationCode.REQUEST)
{
//LINK ACTION REQUEST
Console.WriteLine(new Link_Action_Request(MIHDeserializer.DeserializeLinkAction(it.Next()),
MIHDeserializer.DeserializeTimeInterval(it.Next()),
MIHDeserializer.DeserializePoA(it.Next())).ToString());
}
else
{
//LINK ACTION RESPONSE
if (it.Count == 5)
Console.WriteLine(new Link_Action_Response(MIHDeserializer.DeserializeStatus(it.Next()),
MIHDeserializer.DeserializeLinkScanRspList(it.Next()),
MIHDeserializer.DeserializeLinkAcResult(it.Next())));
else
Console.WriteLine(new Link_Action_Response(MIHDeserializer.DeserializeStatus(it.Next()),
new List<byte[]>(),
MIHDeserializer.DeserializeLinkAcResult(it.Next())));
}
break;
case AIDGlobal.EVENT_SERVICE_MIH_LINK_UP:
Console.WriteLine(new Link_Up(MIHDeserializer.DeserializeLinkTupleId(it.Next()), null, null));
break;
case AIDGlobal.EVENT_SERVICE_MIH_LINK_DOWN:
Console.WriteLine(
it.Count<5?
new Link_Down(MIHDeserializer.DeserializeLinkTupleId(it.Next()),
null,
MIHDeserializer.DeserializeLinkDnReason(it.Next()))
:
new Link_Down(MIHDeserializer.DeserializeLinkTupleId(it.Next()),
MIHDeserializer.DeserializeOldAccessRouter(it.Next()),
MIHDeserializer.DeserializeLinkDnReason(it.Next()))
);
break;
case AIDGlobal.EVENT_SERVICE_MIH_LINK_DETECTED:
Console.WriteLine(new Link_Detected(MIHDeserializer.DeserializeLinkDetInfo(it.Next())));
break;
case AIDGlobal.COMMAND_SERVICE_MIH_LINK_GET_PARAMETERS:
if (m.MIHHeader.MID.OpCode == MessageID.OperationCode.REQUEST)
Console.WriteLine(new Link_Get_Parameters_Request(MIHDeserializer.DeserializeLinkParamRequest(it.Next()),
it.Next().Value, it.Next().Value));
else
Console.WriteLine(new Link_Get_Parameters_Confirm(MIHDeserializer.DeserializeStatus(it.Next()),
MIHDeserializer.DeserializeLinkParamStatusList(it.Next()),
MIHDeserializer.DeserializeLinkStatesResponse(it.Next()),
MIHDeserializer.DeserializeLinkDescriptorsResponse(it.Next())));
break;
default: Console.WriteLine("N/A"); break;
}
}
/// <summary>
/// Generates an 802.21-encoded message representing a LinkUp Event.
/// </summary>
/// <param name="srcID">The local node ID</param>
/// <param name="dstID">The destination MIHF ID</param>
/// <param name="ssid">The SSID of the established connection</param>
/// <param name="PoAMac">The Physical Address for the Point of Access</param>
/// <returns>A fully encoded, ready to be sent Message representing a LinkUp</returns>
public static Message Link_Up_Indication_MsgBuilder(ID srcID, ID dstID, String ssid, PhysicalAddress PoAMac)
{
Message m = new Message();
m.MIHHeader = new MIHHeader();
m.MIHHeader.MID = new MessageID(MessageID.ServiceIdentifier.EVENT_SERVICE, MessageID.OperationCode.INDICATION, 2);
m.MIHHeader.VersionValue = 1;
Link_Tuple_Id linkIdentifier = new Link_Tuple_Id(
new Link_Id(Link_Type.Wireless_IEEE80211, new Link_Addr(Link_Addr.Address_Type.OTHER_L2_ADDR, ssid)),
new Link_Addr(Link_Addr.Address_Type.MAC_ADDR, Utilities.PhysicalAddressToString(PoAMac)));
m.Payload = new Payload(srcID,
dstID,
TLV_HELPERS.TLVLinkIdentifier(linkIdentifier));
m.MIHHeader.PayloadLength = (ushort)m.Payload.PayloadValue.Length;
return m;
}
/// <summary>
/// Generates a Link_Parameters_Report.Indication message, reporting the specified value of the specified parameter type.
/// </summary>
/// <param name="src">The source MIHF ID</param>
/// <param name="dst">The destination MIHF ID</param>
/// <param name="APMac">The Physical Address of the Access Point (corresponding to the active link)</param>
/// <param name="networkSSID">The SSID for the active link</param>
/// <param name="paramType">The type of parameter to report</param>
/// <param name="value">The value of the parameter</param>
/// <returns>A Link_Parameters_Report.Indication message ready to be sent.</returns>
public static Message Link_Parameters_Report_Indication_MsgBuilder(ID src, ID dst, PhysicalAddress APMac, byte[] networkSSID, Link_Param_Abs_Type paramType, ushort value )
{
Message m = new Message();
m.MIHHeader = new MIHHeader();
m.MIHHeader.MID = new MessageID(MessageID.ServiceIdentifier.EVENT_SERVICE, MessageID.OperationCode.INDICATION, 5);
m.MIHHeader.VersionValue = 1;
Link_Tuple_Id linkIdentifier = new Link_Tuple_Id(
new Link_Id(Link_Type.Wireless_IEEE80211, new Link_Addr(Link_Addr.Address_Type.MAC_ADDR, Utilities.PhysicalAddressToString(APMac))),
new Link_Addr(Link_Addr.Address_Type.OTHER_L2_ADDR, new String(Encoding.ASCII.GetChars(networkSSID))));
Link_Param_Rpt lpr = new Link_Param_Rpt(
new Link_Param(
Link_Param_Type.FromAbsType(paramType),
(ushort)value,
0 /*TODO 0=LinkParamVal (choice)*/),
null);
List<byte[]> lprList = new List<byte[]>();
lprList.Add(lpr.ByteValue);
m.Payload = new Payload(src,
dst,
Serialization.SerializeToTLV(TLV_VALUES.TLV_LINK_IDENTIFIER, linkIdentifier.ByteValue),
Serialization.SerializeToTLV(TLV_VALUES.TLV_LINK_PARAM_REPORT_LIST, Serialization.EncodingList(lprList.ToArray())));
m.MIHHeader.PayloadLength = (ushort)m.Payload.PayloadValue.Length;
return m;
}
/// <summary>
/// Issues a scan order on the interface and processes (and sends) the rest of the message when the scan is completed.
/// </summary>
/// <param name="laresp">The Link_Action_Response for this action.</param>
/// <param name="iface">The interface to scan.</param>
/// <param name="m">The message to be processed and sent when the scan is complete.</param>
public static void Action_Scan(Link_Action_Response laresp, NativeWifi.WlanClient.WlanInterface iface, Message m)
{
if (iface != null)
{
if(!iface.ScanRequested)
iface.Scan();
iface.ScanRequested = true;
Console.Write("Waiting for scan results...");
Information.MiscData.PendingLinkActionResponses.Add(m, laresp); //Message sent at the WlanApi class, when a scan event occurs.
}
else
{
Console.WriteLine("Cannot scan a disabled interface.");
laresp.Status = STATUS.REJECTED;
}
}
private void Init(ushort rcvPort, System.Net.IPAddress mihAddr)
{
Link_Register_Indication lri = new Link_Register_Indication(
Link_Type.Wireless_IEEE80211, //LinkType
Link_Addr.Address_Type.MAC_ADDR, //LinkAdrressType
Information.GenericInfo.Interface.GetPhysicalAddress().ToString()); //LinkAddressValue
//Console.WriteLine(lri);
connHelper = new ConnectionHelper(rcvPort, mihAddr);
//connHelper.Send(lri.GetMessage());
ID myLinkID = new ID(new OctetString(Information.GenericInfo.myID));
ID mihfID = new ID(new OctetString(Information.GenericInfo.mihfID));
while (true)
{
//TODO colocar a recepção das mensagens aqui.
//messageHandler.HandleMessage(m);
byte[] messageAsBytes = connHelper.Receive();
//Console.WriteLine("!Received: " + messageAsBytes.Length + " bytes from local MIHF.");
Message m = new Message(messageAsBytes);
if (Program.MESSAGE_DETAILS)
{
Console.WriteLine("Received message: ("+m.MIHHeader.MID.AID+")");
Connection.MIHProtocol.PacketReader.PrintMessage(m);
}
//Console.WriteLine("AID: "+m.MIHHeader.MID.AID);
//Console.WriteLine("Opcode: " + m.MIHHeader.MID.OpCode);
//Console.WriteLine("SID: " + m.MIHHeader.MID.SID);
MessageHandler.HandleMessage(m);
}
}
